13311213310121 has 4 divisors (see below), whose sum is σ = 13311743430144. Its totient is φ = 13310683190100.

The previous prime is 13311213310099. The next prime is 13311213310141. The reversal of 13311213310121 is 12101331211331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13311213310121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311213310141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265022345 + ... + 265072566.

It is an arithmetic number, because the mean of its divisors is an integer number (3327935857536).

Almost surely, 2^{13311213310121} is an apocalyptic number.

It is an amenable number.

13311213310121 is a deficient number, since it is larger than the sum of its proper divisors (530120023).

13311213310121 is an equidigital number, since it uses as much as digits as its factorization.

13311213310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530120022.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 13311213310121 its reverse (12101331211331), we get a palindrome (25412544521452).

The spelling of 13311213310121 in words is "thirteen trillion, three hundred eleven billion, two hundred thirteen million, three hundred ten thousand, one hundred twenty-one".